Home / 18,511.98-25,546.92-10,955.55

Finding the Fourth Proportional to 18,511.98, 25,546.92 and 10,955.55

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Solution

The fourth proportional to 18,511.98, 25,546.92 and 10,955.55 is: 15,118.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,511.98 : 25,546.92 = 10,955.55 : x
  2. Step 2: Convert to fraction form
    18,511.98/25,546.92 = 10,955.55/x
  3. Step 3: Cross multiply
    18,511.98x = 25,546.92 × 10,955.55
  4. Step 4: Simplify right side
    18,511.98x = 279,880,559.41
  5. Step 5: Solve for x
    x = 279,880,559.41/18,511.98
  6. Step 6: Final answer
    x = 15,118.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.